Light assembly for a projector

ABSTRACT

Disclosed is a light assembly configured to be installed in a movie projector. The light assembly includes an adaptor configured to mechanically couple with a bulb mount of the movie theatre projector. The light assembly further includes a female socket rigidly connected to the adaptor and a male socket configured to mate with the female socket. Yet further, the light assembly includes one or more cooling fans configured to generate airflow, a heat sink configured to dissipate heat, a first thermal transfer pad configured to conduct heat, a primary mounting plate, and a second thermal transfer pad. Moreover, the light assembly includes a Light Emitting Diode (LED) Array configured to generate light, wherein the LED Array is mounted on a board. Further, the light assembly includes a lens mounting plate, multiple lens mount standoffs, a lens configured to collimate light emitted from the LED Array, and a lens retainer.

The current application claims a priority to the U.S. Provisional Patentapplication Ser. No. 62/312,101 filed on Mar. 23, 2016.

FIELD OF THE INVENTION

The present disclosure generally relates to lighting fixtures forprojectors. More specifically, the present disclosure relates tolighting assemblies incorporating light-emitting diodes configured toretrofit to lighting fixtures previously incorporating incandescentlamps.

BACKGROUND OF THE INVENTION

Theater, architectural and television projectors project high-intensitybeams of light. Currently, two primary types of basic projectors areAnalog Film Projectors and Digital Projectors. Both types of projectorsutilize very high quality incandescent or High-Intensity Discharge (HID)bulbs to create very intense light to illuminate the film or digitaldisplay and focus this display at a distance onto a movie screen.

However, these bulbs are very expensive and have a relatively shortlifespan. Currently, many projectors use a Xenon-Plasma HID bulb ratedat 3,000-5,000 watts to produce between 20,000 to 34,000 lumens (6-7LPW). The average life time for these types of bulbs is from 6 to 16weeks. This increases the cost of operation. These types of bulbs alsoproduce an excess amount of heat. Therefore, a high-performance coolingfan and sometimes a secondary roof mounted ventilation fan system isutilized to cool the projector. Further, the projection room requiresauxiliary air conditioning to keep temperatures at an acceptable level.

Moreover, plasma HID bulbs contain hazardous material, such as mercury.These bulbs are prone to explode. When they explode, they also damagethe projector. In fact, they are so volatile that they are shipped andstored in explosion-proof containment units to prevent bodily harm.

Accordingly, there is a need for an efficient, effective and safealternative to the bulbs currently used in projectors.

The foregoing objects and advantages of the invention are illustrativeof those that can be achieved by the various exemplary embodiments andare not intended to be exhaustive or limiting of the possible advantageswhich can be realized. Thus, these and other objects and advantages ofthe various exemplary embodiments will be apparent from the descriptionherein or can be learned from practicing the various exemplaryembodiments, both as embodied herein or as modified in view of anyvariation which may be apparent to those skilled in the art.Accordingly, the present invention resides in the novel methods,arrangements, combinations, and improvements herein shown and describedin various exemplary embodiments.

SUMMARY

Disclosed is a light assembly configured to be installed in a highlumen, high wattage theatre projector. The light assembly includes anadaptor configured to mechanically couple with a bulb mount of the movietheatre projector. The light assembly further includes a female socketrigidly connected to the adaptor and a male socket configured to matewith the female socket. Moreover, the light assembly includes one morecooling fans configured to generate airflow, wherein the one morecooling fans are attachable to the male socket using a first attachingmeans. Yet further, the light assembly includes a heat sink configuredto dissipate heat, wherein the heat sink is attachable to the one morecooling fans using the first attaching means; a first thermal transferpad configured to conduct heat, wherein the first thermal transfer isattachable to the heat sink using a second attaching means; a primarymounting plate configured to be attached to the first thermal transferpad using the second attaching means; and a second thermal transfer padconfigured to conduct heat, wherein the second thermal transfer isattachable to the primary mounting plate using the second attachingmeans. Moreover, the light assembly includes a board configured to beattached to the second thermal transfer pad using the second attachingmeans, wherein a Light Emitting Diode (LED) Array is configured togenerate light, wherein the LED Array is mounted on the board.Technologies such as Surface-Mounted Device (SMD) and Chip on Board(COB) may be used for the LED Array. Further, the light assemblyincludes a lens mounting plate configured to be attached to the primarymounting plate using a third attaching means, wherein the lens mountingplate is transparent to the light emitted by the LED Array; multiplelens mount standoffs configured to maintain a predetermined distancebetween the lens mounting plate and the primary mounting plate when thelens mounting plate is attached to the primary mounting plate; a lensconfigured to collimate light emitted from the LED Array, wherein thelens is disposed over the lens mounting plate; and a lens retainerconfigured to be attached to the lens mounting plate using a fourthattaching means, wherein attaching the lens retainer to the lensmounting plate secures a placement of the lens on the lens mountingplate.

Disclosed is a light assembly configured to be installed in a movietheatre projector. The light assembly includes an adaptor configured tomechanically couple with a bulb mount of the movie theatre projector.The light assembly further includes one or more cooling fans configuredto generate airflow, wherein the one or more cooling fans are attachableto the adaptor using a first attaching means. Further, the lightassembly includes a heat sink configured to dissipate heat, wherein theheat sink is attachable to the one more cooling fans using the firstattaching means. The light assembly also includes a first thermaltransfer pad configured to conduct heat, wherein the first thermaltransfer is attachable to the heat sink using a second attaching means.The light assembly further includes a primary mounting plate configuredto be attached to the first thermal transfer pad using the secondattaching means. Further, a second thermal transfer pad configured toconduct heat, wherein the second thermal transfer is attachable to theprimary mounting plate using the second attaching means. Yet further, aboard is configured to be attached to the second thermal transfer padusing the second attaching means. Multiple Light Emitting Diodes (LEDs)are configured to generate light, wherein the LED Array is mounted onthe board. Moreover, a lens mounting plate is configured to be attachedto the primary mounting plate using a third attaching means, wherein thelens mounting plate is transparent to the light emitted by the LEDArray. The light assembly further includes multiple lens mount standoffsconfigured to maintain a predetermined distance between the lensmounting plate and the primary mounting plate when the lens mountingplate is attached to the primary mounting plate. Moreover, a lens isconfigured to collimate light emitted from the LED Array, wherein thelens is disposed over the lens mounting plate. Yet further, a lensretainer is configured to be attached to the lens mounting plate using afourth attaching means, wherein attaching the lens retainer to the lensmounting plate secures a placement of the lens on the lens mountingplate.

Disclosed is a light assembly configured to be installed in a movietheatre projector. The light assembly includes an adaptor configured tomechanically couple with a bulb mount of the movie theatre projector.Further, the light assembly includes one or more cooling fans configuredto generate airflow, wherein the one or more cooling fans are attachableto the adaptor using a first attaching means. Moreover, the lightassembly includes a heat sink configured to dissipate heat, wherein theheat sink is attachable to the one or more cooling fans using the firstattaching means. Further, the light assembly includes a first thermaltransfer pad configured to conduct heat, wherein the first thermaltransfer is attachable to the heat sink using a second attaching means.Yet further, the light assembly includes a primary mounting plateconfigured to be attached to the first thermal transfer pad using thesecond attaching means. Moreover, the light assembly includes a secondthermal transfer pad configured to conduct heat, wherein the secondthermal transfer is attachable to the primary mounting plate using thesecond attaching means. Further, the light assembly includes a boardconfigured to be attached to the second thermal transfer pad using thesecond attaching means. Yet further, the light assembly includesmultiple Light Emitting Diodes (LEDs) configured to generate light,wherein the LED Array is mounted on the board. Moreover, the lightassembly includes a shroud configured to collimate light generated bythe multiple LEDs onto a projector lens comprised in the movie theatreprojector, wherein the shroud is configured to be attached to the board.

The disclosed LED assembly has a longer lifespan which reduces the costof operation and makes the operation safer. Further, the LEDs contain noharmful materials and they pose no explosion hazard. Moreover, with theintroduction of LED industrial lighting, there is an opportunity toutilize this ever-progressing technology for more and more lightingopportunities. Until recently, an endeavor such as this was not possibledue to the intense amount of illumination required to “throw” the imagesof a theater projector for such a long distance. With the advent of newChips on Board (COB) array emitters and Surface Mount Device (SMD)arrays with unprecedented efficiencies, it is now possible to create andmaintain these high light outputs necessary for such utilization.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 shows a perspective view of a projector bulb in a light assemblyused in theatres, according to prior art.

FIG. 2 shows an exploded view of a light assembly configured to beinstalled in a movie theatre projector, in accordance with variousembodiments disclosed herein.

FIG. 3 shows a cross-section view of the light assembly of FIG. 2 afterassembly.

FIG. 4 shows a perspective view of one end of the light assembly of FIG.2 installed in a movie theatre projector.

FIG. 5 shows a perspective view of a light assembly configured to beinstalled in a movie theatre projector, in accordance with someembodiments.

FIG. 6 shows a perspective view of the light assembly of FIG. 5.

FIG. 7 shows a perspective view of a light assembly retrofitted in amovie theatre projector, in accordance with some embodiments.

DETAILED DESCRIPTION OF THE INVENTION

All descriptions are for the purpose of showing selected versions of thepresent invention and are not intended to limit the scope of the presentinvention.

Non-limiting and non-exhaustive embodiments of the present invention aredescribed with reference to the preceding figures, wherein likereference numerals refer to like parts throughout the various viewsunless otherwise precisely specified.

The present disclosure relates to a light assembly configured to beinstalled in a movie theatre projector. The light assembly is configuredto replace one or both of an arc discharge lamp and an incandescentlamp. The light assembly includes an adaptor configured to mechanicallycouple with a bulb mount of the movie theatre projector. The adaptor mayinclude a cylindrical extension, wherein an external surface of thecylindrical extension includes screw threading configured to mate with acomplimentary screw threading comprised in an internal surface of thebulb mount. Further, the adaptor may be configured to receive electricalpower from the bulb mount when the adaptor is mechanically coupled tothe bulb mount. The bulb mount may correspond to one of an anode and acathode.

The light assembly further includes a female socket rigidly connected tothe adaptor and a male socket configured to mate with the female socket.Moreover, the light assembly includes one more cooling fans configuredto generate airflow, wherein the one more cooling fans are attachable tothe male socket using a first attaching means. The one more cooling fansmay include multiple cooling fans configured to be attached to eachother or on other areas of the light assembly heat sink using the firstattaching means. Each of the multiple cooling fans may be configured tobe simultaneously operational. Further, one or more of the multiplecooling fans may be configured to be activated based on failure of oneor more other cooling fan of the multiple cooling fans. Accordingly, thelight assembly may include a failure indicator device configured toindicate failure of a cooling fan.

Yet further, the light assembly includes a heat sink configured todissipate heat, wherein the heat sink is attachable to the one or morecooling fans using the first attaching means; a first thermal transferpad configured to conduct heat, wherein the first thermal transfer isattachable to the heat sink using a second attaching means; a primarymounting plate configured to be attached to the first thermal transferpad using the second attaching means; and a second thermal transfer padconfigured to conduct heat, wherein the second thermal transfer isattachable to the primary mounting plate using the second attachingmeans. The light assembly may also include a socket adaptor platedisposed between the male socket and the heat sink, wherein the socketadaptor plate may be configured to be attached to each of the malesocket and the heat sink using the first attaching means. Further, lightassembly may include multiple spacers disposed between the socketadaptor plate and the heat sink, wherein the multiple spacers may beconfigured to maintain a predetermined distance between the socketadaptor plate and the heat sink when the socket adaptor plate isattached to the heat sink using the first attaching means.

Moreover, the light assembly includes a board configured to be attachedto the second thermal transfer pad using the second attaching means,wherein a Light Emitting Diode (LED) Array is configured to generatelight, wherein the LED Array is mounted on the board. The LED arraycomprises a plurality of LEDs. Technologies such as Surface-MountedDevice (SMD) and Chip on Board (COB) may be used for the LED Array andthe board. Further, the light assembly includes a lens mounting plateconfigured to be attached to the primary mounting plate using a thirdattaching means, wherein the lens mounting plate is transparent to thelight emitted by the LED Array;

multiple lens mount standoffs configured to maintain a predetermineddistance between the lens mounting plate and the primary mounting platewhen the lens mounting plate is attached to the primary mounting plate;a lens configured to collimate light emitted from the LED Array, whereinthe lens is disposed over the lens mounting plate; and a lens retainerconfigured to be attached to the lens mounting plate using a fourthattaching means, wherein attaching the lens retainer to the lensmounting plate secures a placement of the lens on the lens mountingplate.

According to further aspects, the light assembly may an AC-DC converterconfigured to convert alternating current to direct current, wherein theAC-DC converter may be configured to provide power to the LED Array.Further, the AC-DC converter may include a power adjuster configured toadjust a power level supplied to the LED Array. Also, the AC-DCconverter may be electrically connected to the adaptor, wherein theadaptor is configured to receive electrical power from the bulb mount.Moreover, the AC-DC converter is configured to be attached to the lightassembly by using a fifth attaching means.

According to further aspects, the light assembly may include a shroudconfigured to collimate light generated by the LED Array onto aprojector lens comprised in the movie theatre projector. Further, thelight assembly may include an adjustment rod configured to adjust analignment of the light assembly in relation to the projector lens,wherein a foot portion of the adjustment rod may be configured to beimmovably mounted on a base of the movie theatre projector, wherein ahead portion of the adjustment rod may be movably attachable to theshroud.

According to further aspects, the adaptor may be further configured toform a tight contact with an interior surface of a projector shroudcomprised in the movie projector, wherein the tight contact directs airflow for cooling, wherein the light assembly may be configured to bedisposed within an interior volume of the projector shroud.

According to some aspects, a light assembly configured to be installedin a movie projector is disclosed. The light assembly includes anadaptor configured to mechanically couple with a bulb mount of the movietheatre projector. The light assembly further includes one or morecooling fans configured to generate airflow, wherein the one or morecooling fans are attachable to the adaptor using a first attachingmeans. Further, the light assembly includes a heat sink configured todissipate heat, wherein the heat sink is attachable to the one or morecooling fans using the first attaching means. The light assembly alsoincludes a first thermal transfer pad configured to conduct heat,wherein the first thermal transfer is attachable to the heat sink usinga second attaching means. The light assembly further includes a primarymounting plate configured to be attached to the first thermal transferpad using the second attaching means. Further, a second thermal transferpad configured to conduct heat, wherein the second thermal transfer isattachable to the primary mounting plate using the second attachingmeans. Yet further, a board is configured to be attached to the secondthermal transfer pad using the second attaching means. Multiple LightEmitting Diodes (LEDs) are configured to generate light, wherein the LEDArray is mounted on the board. Moreover, a lens mounting plate isconfigured to be attached to the primary mounting plate using a thirdattaching means, wherein the lens mounting plate is transparent to thelight emitted by the LED Array. The light assembly further includesmultiple lens mount standoffs configured to maintain a predetermineddistance between the lens mounting plate and the primary mounting platewhen the lens mounting plate is attached to the primary mounting plate.Moreover, a lens is configured to collimate light emitted from the LEDArray, wherein the lens is disposed over the lens mounting plate. Yetfurther, a lens retainer is configured to be attached to the lensmounting plate using a fourth attaching means, wherein attaching thelens retainer to the lens mounting plate secures a placement of the lenson the lens mounting plate.

According to some aspects, a light assembly configured to be installedin a movie theatre projector is disclosed. The light assembly includesan adaptor configured to mechanically couple with a bulb mount of themovie projector. Further, the light assembly includes one or morecooling fans configured to generate airflow, wherein the one or morecooling fans are attachable to the adaptor using a first attachingmeans. Moreover, the light assembly includes a heat sink configured todissipate heat, wherein the heat sink is attachable to the one or morecooling fans using the first attaching means. Further, the lightassembly includes a first thermal transfer pad configured to conductheat, wherein the first thermal transfer is attachable to the heat sinkusing a second attaching means. Yet further, the light assembly includesa primary mounting plate configured to be attached to the first thermaltransfer pad using the second attaching means. Moreover, the lightassembly includes a second thermal transfer pad configured to conductheat, wherein the second thermal transfer is attachable to the primarymounting plate using the second attaching means. Further, the lightassembly includes a board configured to be attached to the secondthermal transfer pad using the second attaching means. Yet further, thelight assembly includes a Light Emitting Diode (LED) Array configured togenerate light, wherein the LED Array is mounted on the board. Moreover,the light assembly includes a shroud configured to collimate lightgenerated by the LED Array onto a projector lens comprised in the movietheatre projector wherein the shroud is configured to be attached to theboard.

Referring now to figures, FIG. 1 shows a projector bulb 100 in aprojector used in theatres, according to prior art. The projector bulb100 may include, but is not limited to, High Intensity Discharge (HID)lamp, Xenon lamp, halogen lamp, mercury short-arc lamp, and metal halidelamp.

FIG. 2 shows an exploded view of a light assembly 200 configured to beinstalled in a movie theatre projector, in accordance with variousembodiments disclosed herein. FIG. 3 shows a cross-section view of thelight assembly 200 of FIG. 2 after assembly. FIG. 4 shows a perspectiveview of one end of the light assembly 200 of FIG. 2 installed in a movietheatre projector. The light assembly 200 may be configured to replacethe projector bulb 100, which may be at least one of an arc dischargelamp and an incandescent lamp. The light assembly 200 may include anadaptor 202 configured to mechanically couple with a bulb mount 402 ofthe movie theatre projector. The adaptor 202 may include a cylindricalextension, wherein an external surface of the cylindrical extension mayinclude screw threading configured to mate with a complimentary screwthreading comprised in an internal surface of the bulb mount 402.

Further, the light assembly 200 may include a female socket 204 rigidlyconnected to the adaptor 202. The light assembly 200 may also include amale socket 206 configured to mate with the female socket 204. Yetfurther, the light assembly 200 may include one or more cooling fans 208configured to generate airflow. The one or more cooling fans 208 may beattachable to the male socket 206 using a first attaching means. Forexample, the first attaching means may include multiple fan mountingscrews 210, a socket adaptor plate 212, socket mounting screws 214 andmultiple spacers 216.

Moreover, the light assembly 200 may include a heat sink 218 configuredto dissipate heat. The socket adaptor plate 212 may be disposed betweenthe male socket 206 and the heat sink 218, wherein the socket adaptorplate 212 may be configured to be attached to each of the male socket206 and the heat sink 218 using the first attaching means. The multiplespacers 216 may be disposed between the socket adaptor plate 212 and theheat sink 218, wherein the multiple spacers 216 may be configured tomaintain a predetermined distance between the socket adaptor plate 2121and the heat sink 218 when the socket adaptor plate 212 may be attachedto the heat sink 218 using the first attaching means.

Further, the heat sink 218 may be attachable to the one or more coolingfans 208 using the first attaching means. Further, the one or morecooling fans 208 may include multiple cooling fans configured to beattached to each other using the first attaching means. Each of the oneor more cooling fans 208 may be configured to be simultaneouslyoperational. Further, one or more cooling fans in the one or morecooling fans 208 may be configured to be activated based on failure ofone or more other cooling fans in the one or more cooling fans 208.Accordingly, the light assembly 200 may also include a failure indicatordevice configured to indicate failure of a cooling fan in the one ormore cooling fans 208.

Further, the light assembly 200 may include a first thermal transfer pad220 configured to conduct heat. The first thermal transfer 220 may beattachable to the heat sink 218 using a second attaching means. Yetfurther, the light assembly 200 may include a primary mounting plate 222configured to be attached to the first thermal transfer pad 220 usingthe second attaching means. The light assembly 200 may include a secondthermal transfer pad 224 configured to conduct heat. The second thermaltransfer pad 224 may be attachable to the primary mounting plate 222using the second attaching means. Further, the light assembly 200 mayinclude a board 226 configured to be attached to the second thermaltransfer pad 224 using the second attaching means. A Light EmittingDiodes (LED) Array 228 may be mounted on the board 226. The LED Array228 may be configured to generate light and is composed of a multitudeof individual LEDs. For example, the second attaching means may includea threaded lamp secure screw 230.

In addition, the light assembly 200 may include a lens mounting plate232 configured to be attached to the primary mounting plate 222 using athird attaching means. The lens mounting plate 232 may be transparent tothe light emitted by the LED Array 228. Multiple lens mount standoffs234 may be configured to maintain a predetermined distance between thelens mounting plate 232 and the primary mounting plate 222 when the lensmounting plate 232 is attached to the primary mounting plate 222.Further, a lens 236 may be disposed over the lens mounting plate 232.The lens 236 may be configured to collimate light emitted from the LEDArray 228. For example, the third attaching means may include one ormore of the multiple lens mount standoffs 234 and multiple lens mountingscrews 238.

Further, a lens retainer 240 may be attached to the lens mounting plate232. The lens retainer 240 may secure a placement of the lens 236 on thelens mounting plate 232. The lens retainer 240 may be configured to beattached to the lens mounting plate 232 using a fourth attaching means.For example, the fourth attaching means may include lens retainingscrews 242.

In some embodiments, the adaptor 202 may be configured to receiveelectrical power from the bulb mount 402 when the adaptor ismechanically coupled to the bulb mount 402. Accordingly, in anembodiment, the power available at the bulb mount 402 may be used topower the LED Array 228. Therefore, the light assembly 200 may includeadditional electrical circuitry, such as but not limited to, AC to DCconverter connected to the bulb mount and the LED Array 228. In analternative embodiment, the bulb mount 402 may function as a support formounting the light assembly 200 while LED Array 228 may be poweredeither from a DC power source or the AC power source of the movietheatre projector tapped from another point. In other words, in anembodiment, the adaptor 202 may not be configured to establish anelectrical connection with the bulb mount 402.

In some embodiments, the bulb mount 402 corresponds to one of an anodeand a cathode. The conventional bulb (such as, the projector bulb 100)used in the movie theatre projector, such as an arc discharge lamp or anincandescent lamp includes two terminals that are configured toelectrically connect with an anode terminal and a cathode terminalprovided in the movie theatre projector. Further, the conventionalprojector bulb 100 is configured to be mechanically coupled to each ofthe anode terminal and the cathode terminal. However, the mechanism ofmechanical coupling may differ between the anode terminal and thecathode terminal. In particular, the cathode terminal is configured tobe coupled by a screw based coupling mechanism while the anode terminalis configured to be coupled by a clip based coupling mechanism.Accordingly, the light assembly 200 may be provided with the adaptor 202configured to be mechanically coupled with either the anode terminal orthe cathode terminal. Further, in some embodiments, the adaptor 202 maybe configured to couple with both the anode terminal and the cathodeterminal by means of a hybrid coupling mechanism comprised in theadaptor 202 that is configured to mechanically couple with both theanode terminal and the cathode terminal. However, in case the adaptor202 is configured to be mechanically coupled with the anode, a spatialarrangement of the components of the light assembly 200 may be such thatthe adaptor 202 does not fall in the path of light exiting the lens 236.

In further embodiments, the light assembly 200 may include an AC-DCconverter configured to convert alternating current to direct current,wherein the AC-DC converter is configured to provide power to the LEDArray 228. According to currently available LED technology, it ispreferable to provide only DC to power the LED Array 228. However, in anembodiment, the LED Array 228 may be such that they may safely operatethrough their life span on AC as well. Accordingly, in an embodiment,the light assembly 200 may not include the AC-DC converter. Further, theLED Array 228 may further be configured to operate directly at thevoltage levels generally provided at the bulb mount 402 of the movieprojector, such as but not limited to, above 1 kV. Yet further, theAC-DC converter may include a power adjuster configured to adjust apower level supplied to the LED Array 228.

Moreover, the AC-DC converter may be electrically connected to theadaptor 202, wherein the adaptor 202 is configured to receive electricalpower from the bulb mount 402. Accordingly, in an embodiment, althoughthe adaptor 202 may receive electrical power from the bulb mount 402,the AC-DC converter may be situated external to the light assembly 200.Accordingly, the AC-DC converter may not be mechanically attached to thelight assembly 200. Further, the AC-DC converter may be configured to beattached to the light assembly 200 by using a fifth attaching means.Accordingly, in an embodiment, the AC-DC converter may be disposedanywhere in the light assembly 200 and attached using one or more of thefirst attaching means, second attaching means, third attaching means,fourth attaching means and a fifth attaching means. For example, in anembodiment, the AC-DC converter may be disposed on the board 226comprising the LED Array 228. Accordingly, the light assembly 200 maycomprise an electrical path leading from the bulb mount 402 (i.e. one ormore of the cathode terminal and the anode terminal of the movie theatreprojector) to the AC-DC converter. In another example, the AC-DCconverter may be mounted on a separate PCB board configured to beattached to any of the modular components of the light assembly 200.Accordingly, the light assembly 200 may further include electrical pathsleading from the bulb mount 402 (i.e. one or more of the anode terminaland the cathode terminal) and to the LED Array 228.

FIG. 5 shows a perspective view of a light assembly 500 configured to beinstalled in movie theatre projector, in accordance with someembodiments. FIG. 6 shows another perspective view of the light assembly500. The light assembly 500 may include an adaptor 502 configured tomechanically couple with a bulb mount 402 of the movie theatreprojector. Further, the light assembly 500 may include one or morecooling fans 504 configured to generate airflow, wherein the one or morecooling fans 504 may be attachable to the adaptor 502 using a firstattaching means. Further, the light assembly 500 may include a heat sink506 configured to dissipate heat, wherein the heat sink 506 isattachable to the one or more cooling fans 504 using the first attachingmeans.

Moreover, the light assembly 500 may include a first thermal transferpad (not shown) configured to conduct heat, wherein the first thermaltransfer is attachable to the heat sink 506 using a second attachingmeans. The light assembly 500 may also include a primary mounting plateconfigured to be attached to the first thermal transfer pad using thesecond attaching means. Further, the light assembly 500 may include asecond thermal transfer pad configured to conduct heat, wherein thesecond thermal transfer is attachable to the primary mounting plateusing the second attaching means.

In addition, the light assembly 500 may include a board 508 configuredto be attached to the second thermal transfer pad using the secondattaching means. The light assembly 500 may also include LED Array 510configured to generate light, wherein the LED Array 510 is mounted onthe board 508. Further, the light assembly 500 may include a lensmounting plate (not shown) configured to be attached to the primarymounting plate using a third attaching means, wherein the lens mountingplate is transparent to the light emitted by the LED Array 510. Thelight assembly 500 may include multiple lens mount standoffs configuredto maintain a predetermined distance between the lens mounting plate andthe primary mounting plate when the lens mounting plate is attached tothe primary mounting plate. Further, a lens may be configured tocollimate light emitted from the LED Array, wherein the lens may bedisposed over the lens mounting plate. Yet further, a lens retainer maybe configured to be attached to the lens mounting plate using a fourthattaching means, wherein attaching the lens retainer to the lensmounting plate secures a placement of the lens on the lens mountingplate.

FIG. 7 shows a perspective view of a light assembly 700 retrofitted in amovie projector, in accordance with some embodiments. The light assembly700 may include an adaptor 702 configured to mechanically couple with abulb mount 704 of the movie projector. Further, the light assembly 700may include one or more cooling fans 706 configured to generate airflow,wherein the one or more cooling fans 706 may be attachable to theadaptor 702 using a first attaching means.

Moreover, the light assembly 700 may include a heat sink 708 configuredto dissipate heat, wherein the heat sink 708 may be attachable to theone or more cooling fans 706 using the first attaching means. The lightassembly 700 may also include a first thermal transfer pad configured toconduct heat, wherein the first thermal transfer is attachable to theheat sink 708 using a second attaching means. Further, the lightassembly 700 may include a primary mounting plate configured to beattached to the first thermal transfer pad using the second attachingmeans. Yet further, a second thermal transfer pad may be configured toconduct heat, wherein the second thermal transfer may be attachable tothe primary mounting plate using the second attaching means.

In addition, the light assembly 700 may also include a board 710configured to be attached to the second thermal transfer pad using thesecond attaching means. Further, the light assembly 700 may include LEDArray configured to generate light, wherein the LED Array is mounted onthe board 710. Yet further, a shroud 712 configured to collimate lightgenerated by the LED Array onto a projector lens 714 comprised in themovie theatre projector, wherein the shroud 712 is configured to beattached to the board 710. In an embodiment, the shroud 712 may beconfigured to be attached to the lens mounting plate by a fastener, suchas, but not limited to, screws. Accordingly, the shroud 712 may berigidly attached to the lens mounting plate while being freely movablewith respect to the movie theatre projector lens. Further, the lightassembly 700 may also include an adjustment rod 716 configured to adjustan alignment of the light assembly 700 in relation to the projectorlens, wherein a foot portion of the adjustment rod 716 is configured tobe immovably mounted on a base 718 of the movie theatre projector,wherein a head portion of the adjustment rod is movably attachable tothe shroud 712.

Further, the adaptor 702 may be configured to form a tight contact withan interior surface of a projector shroud 720 comprised in the movietheatre projector, wherein the tight contact directs air flow forcooling, wherein the light assembly 700 may be configured to be disposedwithin an interior volume of the projector shroud 720.

Although the invention has been explained in conjunction with a numberof embodiments, it is evident that many alternatives, modifications andvariations would be or are apparent to those of ordinary skill in theapplicable arts. Accordingly, applicant intends to embrace all suchalternatives, modifications, equivalents and variations that are withinthe spirit and scope of this invention.

I claim:
 1. A light assembly configured to be installed in a movietheatre projector, the light assembly comprising: an adaptor configuredto mechanically couple with a bulb mount of the movie projector; afemale socket rigidly connected to the adaptor; a male socket configuredto mate with the female socket; at least one cooling fan configured togenerate airflow, wherein the at least one cooling fan is attachable tothe male socket using a first attaching means; a heat sink configured todissipate heat, wherein the heat sink is attachable to the at least onecooling fan using the first attaching means; a first thermal transferpad configured to conduct heat, wherein the first thermal transfer isattachable to the heat sink using a second attaching means; a primarymounting plate configured to be attached to the first thermal transferpad using the second attaching means; a second thermal transfer padconfigured to conduct heat, wherein the second thermal transfer pad isattachable to the primary mounting plate using the second attachingmeans; a board configured to be attached to the second thermal transferpad using the second attaching means; a Light Emitting Diode (LED) Arrayconfigured to generate light, wherein the LED array is mounted on theboard; a lens mounting plate configured to be attached to the primarymounting plate using a third attaching means, wherein the lens mountingplate is transparent to the light emitted by the LED array; a pluralityof lens mount standoffs configured to maintain a predetermined distancebetween the lens mounting plate and the primary mounting plate when thelens mounting plate is attached to the primary mounting plate; a lensconfigured to collimate light emitted from the LED array, wherein thelens is disposed over the lens mounting plate; and a lens retainerconfigured to be attached to the lens mounting plate using a fourthattaching means, wherein attaching the lens retainer to the lensmounting plate secures a placement of the lens on the lens mountingplate.
 2. The light assembly of claim 1 being configured to replace atleast one of an arc discharge lamp and an incandescent lamp.
 3. Thelight assembly of claim 1, wherein the adaptor comprises a cylindricalextension, wherein an external surface of the cylindrical extensioncomprises screw threading configured to mate with a complimentary screwthreading comprised in an internal surface of the bulb mount.
 4. Thelight assembly of claim 1, wherein the adaptor is configured to receiveelectrical power from the bulb mount when the adaptor is mechanicallycoupled to the bulb mount.
 5. The light assembly of claim 1, wherein thebulb mount corresponds to one of an anode and a cathode.
 6. The lightassembly of claim 1 further comprising an AC-DC converter configured toconvert alternating current to direct current, wherein the AC-DCconverter is configured to provide power to the LED array.
 7. The lightassembly of claim 6, wherein the AC-DC converter comprises a poweradjuster configured to adjust a power level supplied to the LED array.8. The light assembly of claim 6, wherein the AC-DC converter iselectrically connected to the adaptor, wherein the adaptor is configuredto receive electrical power from the bulb mount.
 9. The light assemblyof claim 8, wherein the AC-DC converter is configured to be attached tothe light assembly by using a fifth attaching means.
 10. The lightassembly of claim 1 further comprising a shroud configured to collimatelight generated by the LED array onto a projector lens comprised in themovie theatre projector.
 11. The light assembly of claim 10 furthercomprising an adjustment rod configured to adjust an alignment of thelight assembly in relation to the projector lens, wherein a foot portionof the adjustment rod is configured to be immovably mounted on a base ofthe movie theatre projector, wherein a head portion of the adjustmentrod is movably attachable to the shroud.
 12. The light assembly of claim1, wherein the adaptor is further configured to form a tight contactwith an interior surface of a projector shroud comprised in the movietheatre projector, wherein the tight contact directs air flow forcooling, wherein the light assembly is configured to be disposed withinan interior volume of the projector shroud.
 13. The light assembly ofclaim 1, wherein the at least one cooling fan comprises a plurality ofcooling fans configured to be attached to each other using the firstattaching means.
 14. The light assembly of claim 13, wherein each of theplurality of cooling fans are configured to be simultaneouslyoperational.
 15. The light assembly of claim 13, wherein at least one ofthe plurality of cooling fans is configured to be activated based onfailure of at least one other cooling fan of the plurality of coolingfans.
 16. The light assembly of claim 13 further comprising a failureindicator device configured to indicate failure of a cooling fan. 17.The light assembly of claim 1 further comprising a socket adaptor platedisposed between the male socket and the heat sink, wherein the socketadaptor plate is configured to be attached to each of the male socketand the heat sink using the first attaching means.
 18. The lightassembly of claim 17 further comprising a plurality of spacers disposedbetween the socket adaptor plate and the heat sink, wherein theplurality of spacers is configured to maintain a predetermined distancebetween the socket adaptor plate and the heat sink when the socketadaptor plate is attached to the heat sink using the first attachingmeans.
 19. A light assembly configured to be installed in a movietheatre projector, the light assembly comprising: an adaptor configuredto mechanically couple with a bulb mount of the movie projector; atleast one cooling fan configured to generate airflow, wherein the atleast one cooling fan is attachable to the adaptor using a firstattaching means; a heat sink configured to dissipate heat, wherein theheat sink is attachable to the at least one cooling fan using the firstattaching means; a first thermal transfer pad configured to conductheat, wherein the first thermal transfer is attachable to the heat sinkusing a second attaching means; a primary mounting plate configured tobe attached to the first thermal transfer pad using the second attachingmeans; a second thermal transfer pad configured to conduct heat, whereinthe second thermal transfer is attachable to the primary mounting plateusing the second attaching means; a board configured to be attached tothe second thermal transfer pad using the second attaching means; aplurality of Light Emitting Diodes (LEDs) configured to generate light,wherein the LED array is mounted on the board; a lens mounting plateconfigured to be attached to the primary mounting plate using a thirdattaching means, wherein the lens mounting plate is transparent to thelight emitted by the LED array; a plurality of lens mount standoffsconfigured to maintain a predetermined distance between the lensmounting plate and the primary mounting plate when the lens mountingplate is attached to the primary mounting plate; a lens configured tocollimate light emitted from the LED array, wherein the lens is disposedover the lens mounting plate; and a lens retainer configured to beattached to the lens mounting plate using a fourth attaching means,wherein attaching the lens retainer to the lens mounting plate secures aplacement of the lens on the lens mounting plate.
 20. A light assemblyconfigured to be installed in movie theatre projector, the lightassembly comprising: an adaptor configured to mechanically couple with abulb mount of the movie projector; at least one cooling fan configuredto generate airflow, wherein the at least one cooling fan is attachableto the adaptor using a first attaching means; a heat sink configured todissipate heat, wherein the heat sink is attachable to the at least onecooling fan using the first attaching means; a first thermal transferpad configured to conduct heat, wherein the first thermal transfer isattachable to the heat sink using a second attaching means; a primarymounting plate configured to be attached to the first thermal transferpad using the second attaching means; a second thermal transfer padconfigured to conduct heat, wherein the second thermal transfer isattachable to the primary mounting plate using the second attachingmeans; a board configured to be attached to the second thermal transferpad using the second attaching means; a plurality of Light EmittingDiodes (LEDs) configured to generate light, wherein the LED array ismounted on the board; and a shroud configured to collimate lightgenerated by the LED array onto a projector lens comprised in the movietheatre projector, wherein the shroud is configured to be attached tothe board.